Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva | 100% |
| Completed Match | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Total Sets: O/U 2.5 | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 1 Winner | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 1 O/U 8.5 | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Match O/U 21.5 | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Match O/U 22.5 | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Match O/U 23.5 | 100% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 2 Winner | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set Handicap +/-1.5 | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 2 O/U 8.5 | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 1 O/U 9.5 | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 2 O/U 9.5 | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 1 O/U 10.5 | 0% |
| The Memphis Classic, Qualification: Kristina Liutova vs Maria Kozyreva Set 2 O/U 10.5 | 0% |
Market context
Polymarket is pricing Kristina Liutova against Maria Kozyreva as a **100% yes** contract, so the market is effectively assuming Liutova advances and that the on-chain USDC position on Polygon resolves to her side without disruption. With settlement tied to conditional tokens, the practical question for users is not just who is better on court, but whether the scheduled qualifier is actually played and completed in a way that the oracle can settle cleanly.
That full-price reading sits uneasily with the sparse public form picture. Independent tennis listings for the matchup show a neutral 50-50 split on one live result page, while a head-to-head preview leans to Liutova in straight sets[1][2]. For a Polymarket user, that means the contract is pricing in certainty that goes beyond ordinary pre-match modelling and may reflect thin liquidity, stale order-book positioning, or information not captured in the public tennis pages.
The main catalysts are straightforward: whether the Memphis Classic qualifying session goes ahead on schedule, whether either player withdraws or is withdrawn, and whether the match is completed inside the market’s seven-day settlement rule. Robinhood’s comparable tennis market rules indicate that a no-start cancellation, walkover, or significant delay can redirect resolution away from the apparent sporting winner, with postponed matches staying open until the rescheduled play ends[3]. On a contract already pinned at the ceiling, any scheduling slip, last-minute withdrawal, or official change to the order of play is the key risk worth watching.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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